package com.mmal.example.atomic;

import com.mmal.annotation.ThreadSafe;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReference;

/**
 * Created by sigurHe
 * Date:2019/10/7.
 * Time:9:25.
 */
@Slf4j
@ThreadSafe
public class AtomicExample5 {

    private static AtomicIntegerFieldUpdater<AtomicExample5> updater =
            AtomicIntegerFieldUpdater.newUpdater(AtomicExample5.class, "count");
    @Getter
    public volatile int count=100;

    private static AtomicExample5 example5 = new AtomicExample5();
    public static void main(String[] args) {

        if (updater.compareAndSet(example5, 100, 120)){
            log.info("update success1,{}",example5.getCount());
        }
        if (updater.compareAndSet(example5, 100, 120)){
            log.info("update success2,{}",example5.getCount());
        }else{
            log.info("update fail,{}",example5.getCount());

        }

    }

}
